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Johns Hopkins Bloomberg School of Public HealthCAAT

Johns Hopkins University
Center for Alternatives to Animal Testing

We believe the best science is humane science. Our programs seek to provide a better, safer, more humane future for people and animals. To learn more about CAAT and the 3Rs, visit our About Us page. And consider supporting our mission.


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CAAT News and Upcoming Events

News and upcoming events sponsored by CAAT, CAAT-Europe, and the Transatlantic Think Tank for Toxicology (t4).

Thomas Hartung and Marcel Leist Receive Ursula Händel Animal Welfare Prize 2020 for Alternative Methods to Animal Experiments

PRESS RELEASE: Lab-Grown ‘Mini-Brains’ Suggest COVID-19 Virus Can Infect Human Brain Cells

Coronavirus Could Infect Human Brain and Replicate, US Study Shows
(Financial Times) (Paywall)

Next Generation Humane Science Award: Apply Now!
Deadline Extended to August 1st, 2020

Pan-American Conference for Alternative Methods

May 12-14, 2021
Windsor, Ontario


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CAAT and CAAT-Europe promise sound scientific synergy involving experts from both sides of the Atlantic to promote the implementation of human-relevant alternative approaches, the advancement of research, and the dissemination of the 3Rs.

5th International Conference on Alternatives for Developmental Neurotoxicity (DNT) Testing
Konstanz, Germany
Tentatively Rescheduled for October/November 2020
Please Sign Up for our CAATwalk Newsletter for Updates

Altertox Academy: 2020 Training Courses

CAAT-Europe is housed at the University of Konstanz, Germany.


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From CAATwalk

Sign up for our CAATwalk Newsletter for the latest news about our activities! View the latest CAATwalk Newsletter (July 31, 2020)

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